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PubMed1983

Medical consequences of the New Mexico State Penitentiary riot.

On February 2, 1980, a riot broke out among the 1,157 inmates at the New Mexico State Penitentiary and 139 people were injured. Of these, 33 died. Survivors had a variety of problems resulting from blunt or penetrating trauma, acute intoxication with drugs, or smoke inhalation. Fourteen percent of the casualties arrived at local hospitals in serious or critical condition. A study of the injury patterns revealed a significant difference (P less than .001) in the incidence of severe head trauma in those who had died compared to those who survived. Most of the seriously or critically ill survivors suffered from acute poisoning or from penetrating wounds.

Burns, Inhalation↗

PubMed1980

Marital structure and genetic isolation in a rural Hispanic population in northern New Mexico.

An investigation of the mating structure of the rural Hispanic population of the village of abiquiu in northern New Mexico was carried out using village marriage registers. Marital movement and departure from random mating were analyzed by the distribution of birth places of marriage partners and by surname isonymy. The time periods studied were 1882 to 1910 and 1947 to 1977. The results of these analyses show marked marital isolation (median marital distances by birthplace of 11.5 and 20.0 miles, respectively) and a significant departure from random mating (F = 0.0556 and F = 0.0495, respectively). In each case the non-random component of the isonymy coeffient (Fn) greatly exceeds the random, or expected, component. Assortative mating for culture and proximity governed by the historical settlement pattern is indicated as the process producing these results. Isolation has begun to break down in recent years but as yet has had no great effect on the genetic structure of the Abiquiu population.

Consanguinity↗

PubMed1995

Parasites of the Abert's squirrel (Sciurus aberti) and red squirrel (Tamiasciurus hudsonicus) of New Mexico.

Between 1989 and 1991, 29 Abert squirrels (Sciurus aberti) and 45 red squirrels (Tamiasciurus hudsonicus) were collected in New Mexico and examined for parasites. Of 29 S. aberti examined, 86.2% (25/29) were infected with at least 1 parasite species. Helminths were found in 62.1% (18/29) of S. aberti; 37.9% (11/29) were infected with fleas and 37.9% (11/29) with the coccidian Eimeria tamiasciuri. Among T. hudsonicus, 82.5% of the squirrels examined were infected with at least 1 parasite. Helminths were found in 57.8% (26/45) of T. hudsonicus; 22.2% (10/45) were infected with fleas and 26.7% (12/45) with Eimeria tamiasciuri. Citellinema quadrivittati was found in squirrels of both species; 55.2% (16/29) of S. aberti were infected, with 57.8% (26/45) of T. hudsonicus carrying the parasite. Enterobius sciuri was only found in S. aberti with 17.2% (5/29) carrying the infection. One cestode, Hymenolepis sp., was found only in T. hudsonicus with 6.7% (3/45) carrying the infection. Four species of flea were found on squirrels of both species. Ceratophyllus vison was found on 6.9% (2/29) of S. aberti and 6.7% (3/45) of T. hudsonicus examined. Opisodasys robustus was found on 6.9% (2/29) of S. aberti and 8.8% (4/45) of T. hudsonicus examined. Orchopeas caedens caedens was found on 3.4% (1/29) of S. aberti and 6.7% (3/45) of T. hudsonicus examined. Orchopeas neotomae was found on 10.3% (3/29) of S. aberti and 6.7% (3/45) of T. hudsonicus examined. Two species of flea were only found on T. hudsonicus; Orchopeas leucopus was found on 2.2% (1/45) and Oropsylla idahoensis was found on 2.2% (1/45) of the T. hudsonicus examined.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗

PubMed1989

Prevalence of rabies specific antibodies in the Mexican free-tailed bat (Tadarida brasiliensis mexicana) at Lava Cave, New Mexico.

Adult female and juvenile Mexican free-tailed bats (Tadarida brasiliensis mexicana) were collected bimonthly at Lava Cave, New Mexico from May through September. The purpose of this study was to examine the prevalence of active rabies infection as well as to determine individual immune status in these hosts. All bats were bled and examined for rabies antibody (total antibody versus IgM) utilizing a modified serum neutralization test. The brains were removed and examined by the fluorescent rabies antibody (FRA) test. No significant difference was observed in the number of adults with rabies neutralizing antibody (total) over the study period. Significant differences in rabies neutralizing antibody (total) were observed among the juveniles sampled during July and August. The number of adults with IgM specific antibody was low (15 of 750, 2%) and did not fluctuate significantly. However, the number of juveniles with IgM antibody did show increased levels in August and September. The number of adults positive by the FRA was low (4 of 750, less than 1%) and did not appear to fluctuate significantly over the study period. The number of juveniles positive by the FRA was three and one-half times higher than observed for the adults (14 of 600, 2%). These results indicate that the Mexican free-tailed bat appears to be exposed to rabies virus shortly after birth as evident by its immune status. The low prevalence (4 of 750, less than 1%) of active infection as determined by the FRA and mouse inoculation and the high prevalence (514 of 750, 69%) of IgG antibody in the adult females indicate that the Mexican free-tailed bat recovers from rabies virus infection.

Animals↗

PubMed2006

Changing patterns of gallbladder carcinoma in New Mexico.

BACKGROUND: American Indians in the U.S. have a high incidence of gallbladder carcinoma (GBC). Furthermore, American Indians in New Mexico (NM) have the highest incidence rate of GBC in the U.S. The epidemiology of GBC in NM has not been studied in the past 3 decades. METHODS: By using the NM Tumor Registry (NMTR) and the Surveillance, Epidemiology, and End Results (SEER) database, age-specific incidence rates, average annual age-adjusted incidence rates, and incidence rate time trends of GBC were compared among the three major ethnic groups in NM: American Indians, Hispanics, and non-Hispanic whites, for the period 1973-2001. RESULTS: A sharp increase in GBC incidence occurred with advanced age and started earlier in American Indians (at age 55) than Hispanics (at age 60) than non-Hispanic whites (at age 65). GBC occurred more frequently in females than in males in all ethnic groups. In females, the incidence of GBC was the highest in American Indians (14.5 per 100,000) followed by Hispanics (6.8 per 100,000) and non-Hispanic whites (1.4 per 100,000). Similarly in males, American Indians had the highest incidence rate of GBC (7.8 per 100,000), followed by Hispanics (2.0 per 100,000), and non-Hispanic whites (1.0 per 100,000). The time trend analysis revealed that there has been a disproportionate decline in the incidence of GBC in the three ethnic groups, with the greatest drop in American Indians and Hispanics followed by non-Hispanic whites. Despite the decline, American Indians continued to have the highest incidence rate of GBC in NM. CONCLUSION: The incidence of GBC has declined disproportionately in the three major ethnic groups, with the greatest decrease in American Indians and Hispanics followed by non-Hispanic whites.

Age Factors↗

PubMed1989

Parasites of prairie rattlesnakes (Crotalus viridis viridis) and gopher snakes (Pituophis melanoleucus sayi) from the eastern high plains of New Mexico.

Three prairie rattlesnakes (Crotalus viridis viridis) and two gopher snakes (Pituophis melanoleucus sayi) from the eastern high plains of New Mexico (USA) were examined for parasites. One cestode (Oochoristica osheroffi), and two nematode (Kalicephalus inermis and Physoloptera retusa) species were recovered from two infected rattlesnakes. One female gopher snake was infected with two nematode (K. inermis and Rhabdias spp.) and one mite (Entonyssus halli) species.

Animals↗

PubMed1988

Feline plague in New Mexico: risk factors and transmission to humans.

The epidemiologic features of 60 cases of feline plague from 1977-1985 in New Mexico are reviewed. The most frequent clinical presentation was lethargy, anorexia, fever, and enlarged lymph nodes or abscesses. A history of hunting rodents was reported in 75 per cent of all cases. Five human plague cases were associated with five feline cases. Recommendations are presented for prevention of plague infection and transmission to humans, including restraining cats from roaming and hunting by neutering and keeping them indoors, treating them for fleas, and seeking medical care for febrile illnesses, especially when accompanied by enlarged lymph nodes.

Animals↗

PubMed1995

Potential mosquito vectors of Dirofilaria immitis in Bernalillo County, New Mexico.

The susceptibility of Aedes vexans, Culex quinquefasciatus, and Culex tarsalis to Dirofilaria immitis infections was evaluated in Bernalillo Co., New Mexico. Mosquitoes that had taken a blood meal from a D. immitis-infected dog were dissected and observed for developing larvae. Infection rates for Ae. vexans, Cx. quinquefasciatus, and Cx. tarsalis were 68.9, 40.6, and 30.2%, respectively. Infective D. immitis larvae developed after a minimum of 8 days in Ae. vexans vs. 14 days in both Cx. quinquefasciatus and Cx. tarsalis. Vector efficiency of Ae. vexans was 20.4%, with a mean of 5.9 infective larvae developing from a mean of 29 microfilariae ingested per mosquito. Vector efficiency in Cx. quinquefasciatus and Cx. tarsalis was 2.7 and 0.4%, respectively. These results suggest that Ae. vexans has the greatest potential for D. immitis transmission.

Aedes↗

PubMed1999

Academic models for practice relief, recruitment, and retention at the University of New Mexico Medical Center and East Carolina University School of Medicine.

Locum tenens programs were independently developed by the University of New Mexico Health Sciences Center and East Carolina University School of Medicine to address health care needs within their states. The programs represent distinct models to provide locum tenens services for practices in rural and medically underserved regions through collaboration with stage government representatives and agencies. Differences between programs include years of operation, days of coverage provided, types of learners and providers involved, sources of funding, costs of the programs, and extent of institutional support. Common beneficial outcomes of the programs include coverage for struggling practices, training in rural medicine for locum tenens providers, recruitment of physicians to rural practice sites, and improved relationships with program partners. Adequate funding and institutional support are essential for success of locum tenens programs.

Career Choice↗

PubMed1991

Lung cancer mortality and exposure to radon progeny in a cohort of New Mexico underground uranium miners.

A cohort of 3469 males with at least 1 y of underground uranium mining experience in New Mexico was assembled and mortality followed up through 31 December 1985. The mean and median cumulative exposures for the cohort were 0.39 J h m-3 and 0.12 J h m-3 (111.4 and 35.0 Working Level Months [WLM]), respectively. Overall, mortality in the cohort was significantly increased (standardized mortality ratio [SMR] = 1.1, 95% confidence interval [CI] = 1.02-1.2) relative to the general population of the state. By cause, significant increases were observed for lung cancer (SMR = 4.0, 95% CI 3.1-5.1) and for external causes of death (SMR = 1.5, 95% CI 1.3-1.7). The risk of lung cancer increased for exposure categories above 100 WLM; the excess relative risk increased by 0.5% per mJ h m-3, 95% CI 0.2-1.5 (1.8% per WLM, 95% CI 0.7-5.4). Data were consistent with a multiplicative interaction between smoking and exposure to Rn progeny in an exponential relative risk model. The risk of lung cancer varied substantially with age at observation; the odds ratios rose more steeply with exposure to Rn progeny for those less than age 55 y at observation.

Adult↗

PubMed1977

Prevalence of Echinococcus granulosus and other cestodes in dogs on the Navajo reservation in Arizona and New Mexico.

Fecal specimens from 429 dogs purged with arecoline hydrobromide at 131 rural camps on the Navajo Reservation in Arizona and New Mexico were examined for cestodes. Echinococcus granulosus was found in feces from 3 dogs at 3 different camps. Other cestodes present were Taenia hydatigena--45.5%, Taenia pisiformis--21.0%, Taenia serialis--11.9%, and Taenia ovis--1.6%.

Animals↗

PubMed1991

Recognition of microclimate zones through radon mapping, Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico.

Radon concentrations range from less than 185 to 3,515 Bq m-3 throughout Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. Concentrations in the entrance passages and areas immediately adjacent to these passages are controlled by outside air temperature and barometric pressure, similar to other Type 2 caves. Most of the cave is developed in three geographic branches beneath the entrance passages; these areas maintain Rn levels independent of surface effects, an indication that Rn levels in deep, complex caves or mines cannot be simply estimated by outside atmospheric parameters. These deeper, more isolated areas are subject to convective ventilation driven by temperature differences along the 477-m vertical extent of the cave. Radon concentrations are used to delineate six microclimate zones (air circulation cells) throughout the cave in conjunction with observed airflow data. Suspected surface connections contribute fresh air to remote cave areas demonstrated by anomalous Rn lows surrounded by higher values, the presence of mammalian skeletal remains, CO2 concentrations and temperatures lower than the cave mean, and associated surficial karst features.

Air Pollutants, Radioactive↗

PubMed1985

Hemoglobin New Mexico: beta 100 (G2) Pro----Arg. A variant hemoglobin associated with erythrocytosis.

Hemoglobin New Mexico beta 100 Pro----Arg was found in a 4-year-old black male and represents a new mutation. The propositus is also heterozygous for Hb S. The variant shows high oxygen affinity, reduced cooperatively, and a lowered alkaline Bohr effect. Addition of allosteric effectors leads to improved cooperativity and a Bohr effect that is similar to that of Hb A. The high percentage of the variant (53.5%) and its increased oxygen affinity result in erythrocytosis in this patient. The hemoglobin level and packed cell volume values are elevated. In spite of these factors the patient appears healthy and shows no discomfort. The altered oxygen-linked properties of this variant can be related to the fact that the substituted residue contributes to the alpha 2 beta 1/alpha 1 beta 2 subunit interface, an area that is critical not only to the allosteric transitions between the oxy and deoxy states but also to stabilizing the hemoglobin tetrameer.

Child↗

PubMed1990

Mortality from infectious diseases among New Mexico's American Indians, Hispanic whites, and other whites, 1958-87.

To examine ethnic differences in infectious disease-related mortality in New Mexico's American Indian, Hispanic White and other White populations, we analyzed vital records data from 1958 to 1987. We found that for most infectious causes, American Indians had the highest mortality rates, followed by Hispanics. The state's minority populations remain at increased risk for infectious disease mortality.

Adolescent↗

PubMed1997

Guns and knives in New Mexico: patterns of penetrating trauma, 1978-1993.

OBJECTIVE: To identify patterns of nonfatal and fatal penetrating trauma among children and adults in New Mexico using ED and medical examiner data. METHODS: The authors retrospectively sampled in 5-year intervals all victims of penetrating trauma who presented to either the state Level-1 trauma center or the state medical examiner from a 16-year period (1978-1993). Rates of nonfatal and fatal firearm and stabbing injury were compared for children and adults. RESULTS: Rates of nonfatal injury were similar (firearm, 34.3 per 100,000 person-years; stabbing, 35.1). However, rates of fatal injury were significantly different (firearm, 21.9; stabbing, 2.7; relative risk: 8.2; 95% confidence interval: 5.4, 12.5). From 1978 to 1993, nonfatal injury rates increased for children (p = 0.0043) and adults (p < 0.0001), while fatal penetrating injury remained constant. The increase in nonfatal injury in children resulted from increased firearm injury rates. In adults, both stabbing and firearm nonfatal injury rates increased. CONCLUSIONS: Nonfatal injury data suggest that nonfatal violence has increased; fatal injury data suggest that violent death rates have remained constant. Injury patterns vary by age, mechanism of trauma, and data source. These results suggest that ED and medical examiner data differ and that both are needed to guide injury prevention programs.

Adolescent↗

PubMed1982

Hematologic and serum chemical values of adult female Rocky Mountain elk from New Mexico and Oklahoma.

Hematologic and serum chemical values were determined for two groups of adult female Rocky Mountain elk (Cervus elaphus nelsoni) from New Mexico and Oklahoma. Although considerable variation in values was observed between elk from the same group, the mean values from 16 of the 20 blood parameters tested were significantly different between the two groups. Of these, the most significant variations were observed in values which were likely to be influenced by nutritional condition and health status. The results of this study indicate that when evaluating the health status of different herds kept under known conditions, hematologic and serum chemical values are of optimal significance when the mean values of the herds are compared.

Animal Population Groups↗

PubMed1984

Prevalence survey of respiratory abnormalities in New Mexico uranium miners.

To obtain additional data concerning uranium mining and nonmalignant respiratory diseases, we conducted a prevalence survey of 192 long-term New Mexico uranium miners. Survey procedures included spirometry, completion of a respiratory symptoms questionnaire, physical examination and interpretation of available chest x rays. Total duration of underground uranium mining was used as the exposure index. Of the major respiratory symptoms, only the prevalence of dyspnea increased significantly with duration of uranium mining. With linear multiple-regression analysis, small but statistically significant effects of mining were found for two spirometric parameters, the forced expiratory volume in one sec and the maximal midexpiratory flow. By the 1980 International Labor Organization (ILO) U/C classification, 12 of 143 participants with x rays available for interpretation had at least category 1/0 pneumoconiosis. The opacities were predominantly nodular and compatible with silicosis.

Adult↗

PubMed1989

Radon progeny exposure and lung cancer risk in New Mexico U miners: a case-control study.

A case-control study was conducted to describe lung cancer risk in a cohort of New Mexico underground U miners. The subjects included 65 cases and 230 age-matched controls, most with exposures below 3.50 J h m-3 (1000 WLM). The risk for lung cancer was increased for all cumulative exposures to Rn progeny of 0.35 J h m-3 (100 WLM) or greater. The odds ratios were unchanged with control for cigarette smoking. With exclusion of subjects with exposures above 3.50 J h m-3 (1000 WLM), the estimated excess relative risk was 0.3% per mJ h m-3 (1.1% per WLM). The risk was greater for younger subjects and the data were consistent with a multiplicative interaction between cigarette smoking and exposure to Rn progeny.

Adult↗